... with torsionspringwindingbars. A torsionspringwindingbar is used to increase or decrease the tension in the garage door torsionsprings as necessary. The type of garage door torsionspring you would typically use is known as a helical torsionspring...

... 1. This side awning/folding screen is not only an ideal protection against wind and sunshine,but also private space. 2. The torsionalspring inside makes the products easy to be operated. 3. The elegant cassette...

... folding fast door, it uses folding lifting way and various inner and outer withstanding wind horizontal bar. The wind pressure can separate on the curtain averagely. It is stronger than normal fast rolling...

... the upper and lower spring of contact compression, the fuse component can have a more reliable and faster fall, better performance for cut-off . The lower headstock and torsionspring joint device can ensure...

.... 2.It adopts the inductive electron component to automatically shrink and release the cording. 3. The torsionspring of oscillating bar of shrinking cording can be adjusted to achieve the best effect for embroiderying. 4. The...

1. professional manufacturer for retractable awning. 2. good quality and competitive price. 3. fabric, drive mode is optional. Retractable awning - We all want to spend more time in the garden ,out in the fresh air weather it be enjoying a BBQ with ...